Tchwerian (Wieb-Muts or Reber-Muts) is a Wiebian dialect continuum that includes Modern Standard Wiebian (both the European and the North American varieties). It is often simply called "Wiebian" in-universe.

Historical phonology

Middle Wiebian

ɑ æ e i o ø u y
ɑ: æ: e: ə: i: o: ø: u: y:
ja je i:a ja:
wa wo u:a wa:
ɥa ɥø y:a ɥa:
ai au ay

p pʰ b m mʰ f v wʰ
t tʰ þ ð d n nʰ s z lʰ l nˡ nˡʰ
! !ʰ g! ŋ! ŋʰ! ɧ ɧ̬
k kʰ g ŋ ŋʰ x ɣ
q qʰ ɢ ɴ ɴʰ χ ʁ
h ʔ

Sound changes

  1. au > æɑ > æ: > ɛː (lau (-p m) > le4)